電気粘性流体の運動方程式と降伏応力に関する理論的検討

概要

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The flow of ER fluid has been analyzed theoretically using the constitutive equation of Bingham fluid. However it is necessary to take account of internal rotation in ER fluid, because it is suspension containing particles. The equation of motion of ER fluid is derived using not only the constitutive equation of stress for Bingham fluid but also the micropolar electrically conducting fluids theory, assuming the equilibrium equation of angular momentum. For yield stress which is the characteristics of ER fluid, the interaction of particles which polarized by applied electric field leads us to the conclusion based on a two-body problem at the cutting surface of cluster. A theoretical equation is derived by dipole-dipole interaction. Yield stress in this study is not dynamic yield stress but static yield stress.
一般社団法人日本機械学会の論文
1996-12-25